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#1
June 2nd, 2016, 04:34 AM
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Exhaust or headers
Has anyone built or bought headers. I am thinking on having flanges laser cut and building a set. What do you think. Thanks, John
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#2
June 2nd, 2016, 04:39 PM
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Re: Exhaust or headers
There was an album showing pictures of custom headers, but now I can't find it. lol I'll keep looking.
__________________
"Excuse the rust I use my truck" 1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. 1964 Chevy C20 292/SM420 1966 Chevy C10 292 hotrod 6/TKO600 My youtube channel aka Military Chevy: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
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#3
June 2nd, 2016, 05:17 PM
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Re: Exhaust or headers
thunder v-12 makes header flanges for these engines. magnum & standard. can be purchased at thunder v12 .com
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#4
June 4th, 2016, 04:56 AM
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Re: Exhaust or headers
I'm gonna follow this one. I've been thinking about building a set. Have you checked out http://www.headersbyed.com/hc_buildbetter.htm ? They don't sell flanges for the GMC 6's but there's some good info there.
Sent from my LG-H901 using Tapatalk
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#5
June 5th, 2016, 07:28 AM
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Re: Exhaust or headers
Have not tried either one but will follow up on Monday and report back. Thanks, for the info
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#6
June 8th, 2016, 05:41 AM
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Re: Exhaust or headers
Bought the flanges today, he makes 2 sets one 1/4" and 3/8" thick. The 3/8" thick were more than twice as much but gonna give it a shot. The openings are 1 3/4" OD so that will be good, I will start to make them in aBOUT 3 WEEKS and will keep you posted. John
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#7
June 8th, 2016, 03:21 PM
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Re: Exhaust or headers
Did you get them at thunder v12?
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#8
June 8th, 2016, 04:00 PM
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Re: Exhaust or headers
Sounds great, post pictures of your progress! I'd love to have a set of headers but don't have tubing bending equipment or experience...
__________________
Chuck in Ohio *'62 GMC 1000 Panel Truck - 305D/Saginaw 4sp soon: 351C V6 + AX15 5sp OD trans, & 73-87/91 disc brake front end, rear Cadillac calipers/ AWD Astro rotors, Dana 44 redrilled to 5 lug *'88 Suzuki Samurai 4x4 project, VW 1.9L mTDI turbodiesel, Toyota V6 LandCruiser drivetrain, full floater axles, future LWB bed stretch *'77-'79 Suzuki GS motorcycles, '76 Rickman CR900 roadracer. *Dirtbikes: 2 Kawasaki KDX220R's, '77 Suzuki PE250, '83 PE175
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#9
June 9th, 2016, 01:33 AM
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Re: Exhaust or headers
I got them from Thunder V12. The 3/8" flanges were stainless so I went with that. Hopefully no mistakes
 , could get expensive. Will keep you posted on progress. Thanks for the info on where to get the flanges. Very nice to work with, very informative.
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#10
June 27th, 2016, 07:37 AM
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Re: Exhaust or headers
Received the flanges they are vey nice. The exhaust ports are rectangle 1 3/4 x 1 /1/2. I am having the short pipe from the flange made now, when I get them I will start to post photos as I go. I am probably about a month away from starting due to the jobs I am doing now, 2 installations of A/C in other trucks. John
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